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Luke Childs 2019-12-16 15:38:30 +07:00
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@ -48,6 +48,37 @@ If you only want to mount your own image, you can download a much slimmer VM onl
docker run -it -v /2019-09-26-raspbian-buster-lite.img:/sdcard/filesystem.img lukechilds/dockerpi:vm
```
## Wait, what?
A full ARM environment is created by using Docker to bootstrap a QEMU virtual machine. The Docker QEMU process virtualises a machine with a single core ARM11 CPU and 256MB RAM, just like the Raspberry Pi. The official Raspbian image is mounted and booted along with a modified QEMU compatible kernel.
You'll see the entire boot process logged to your TTY until you're prompted to log in with the username/password pi/raspberry.
```
pi@raspberrypi:~$ uname -a
Linux raspberrypi 4.19.50+ #1 Tue Nov 26 01:49:16 CET 2019 armv6l GNU/Linux
pi@raspberrypi:~$ cat /etc/os-release | head -n 1
PRETTY_NAME="Raspbian GNU/Linux 10 (buster)"
pi@raspberrypi:~$ cat /proc/cpuinfo
processor : 0
model name : ARMv6-compatible processor rev 7 (v6l)
BogoMIPS : 798.31
Features : half thumb fastmult vfp edsp java tls
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xb76
CPU revision : 7
Hardware : ARM-Versatile (Device Tree Support)
Revision : 0000
Serial : 0000000000000000
pi@raspberrypi:~$ free -h
total used free shared buff/cache available
Mem: 246Mi 20Mi 181Mi 1.0Mi 44Mi 179Mi
Swap: 99Mi 0B 99Mi
```
## Build
Build this image yourself by checking out this repo, `cd` ing into it and running: